rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10312 ticks this GP) idle=a1ec/1/0x4000000000000000 softirq=14147/14148 fqs=4856
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1257691          0            0
rcu: 	cputime:     6658      45841           35   ==> 52500(ms)
rcu: 	(t=10501 jiffies g=10009 q=8032 ncpus=2)
CPU: 1 UID: 0 PID: 6036 Comm: syz.1.82 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80
Code: f7 e8 8d 0f fd f5 f7 c3 00 02 00 00 74 05 e8 c0 96 28 f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> b4 9c ee f5 65 8b 05 2d a7 91 07 85 c0 74 18 5b 41 5e e9 51 48
RSP: 0018:ffffc90000a085a8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000246 RCX: 0000000000000303
RDX: 0000000000000002 RSI: ffffffff8dfa1010 RDI: 0000000000000001
RBP: dffffc0000000000 R08: ffffffff902f72f7 R09: 1ffffffff205ee5e
R10: dffffc0000000000 R11: fffffbfff205ee5f R12: ffff88802707ea80
R13: 0000000000000000 R14: ffff888113a95af8 R15: ffff888113a94e40
FS:  00007fdcdcc916c0(0000) GS:ffff8882a92b8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3400cff8 CR3: 000000016d1f2000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __ieee80211_queue_skb_to_iface+0xa3/0x290
 ieee80211_rx_h_mgmt+0x422/0x5a0
 ieee80211_rx_handlers+0x74eb/0xc7b0
 ieee80211_prepare_and_rx_handle+0x2e55/0x74e0
 ieee80211_rx_list+0x2b79/0x3740
 ieee80211_rx_napi+0x1ad/0x3d0
 ieee80211_handle_queued_frames+0xe4/0x1d0
 tasklet_action_common+0x2da/0x4a0
 handle_softirqs+0x225/0x840
 __irq_exit_rcu+0xca/0x220
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__schedule+0x185e/0x57a0
Code: 00 4c 89 f7 4c 89 e6 e8 80 f9 8f f5 48 89 c7 e8 e8 76 f1 f5 31 ff 4d 39 e6 40 0f 95 c7 e8 aa 82 f1 f5 48 8b 84 24 00 01 00 00 <66> 42 c7 44 28 0c f8 f8 48 c7 84 24 40 01 00 00 0e 36 e0 45 4a c7
RSP: 0018:ffffc90007816f80 EFLAGS: 00000202
RAX: 1ffff92000f02e18 RBX: ffff88823c63aed8 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff8c289780 RDI: ffffffff8c289740
RBP: ffffc90007817188 R08: ffffffff902f72f7 R09: 1ffffffff205ee5e
R10: dffffc0000000000 R11: fffffbfff205ee5f R12: ffff88810b570000
R13: dffffc0000000000 R14: ffff888113395940 R15: ffff88810b571610
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x14f/0x8e0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__rcu_read_lock+0x1b/0x60
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 53 65 48 8b 1d 7b 67 8b 11 48 81 c3 c4 04 00 00 48 89 d8 48 c1 e8 03 <48> b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 18 ff 03 8b 03
RSP: 0018:ffffc900078172b0 EFLAGS: 00000a07
RAX: 1ffff11022672bc0 RBX: ffff888113395e04 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff823a3171 RDI: ffffc900078173a0
RBP: 1ffff92000f02e74 R08: ffffc90007817430 R09: 0000000000000000
R10: ffffc900078173b8 R11: ffffffff81b07190 R12: dffffc0000000000
R13: ffffc900078175e8 R14: ffffc90007817368 R15: 1ffff92000f02e6d
 unwind_next_frame+0x88/0x2550
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 save_stack+0x122/0x230
 __reset_page_owner+0x71/0x1f0
 __free_frozen_pages+0xbc7/0xd30
 __kasan_populate_vmalloc+0x1a8/0x1c0
 alloc_vmap_area+0xd1a/0x1420
 __get_vm_area_node+0x1f2/0x300
 __vmalloc_node_range_noprof+0x358/0x1730
 __vmalloc_noprof+0xd2/0x120
 bpf_prog_alloc_no_stats+0x47/0x4f0
 bpf_prog_alloc+0x3c/0x1a0
 bpf_prog_load+0x788/0x1a10
 __sys_bpf+0x618/0x950
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdcdbd9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdcdcc91028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fdcdc015fa0 RCX: 00007fdcdbd9ce59
RDX: 0000000000000094 RSI: 00002000000007c0 RDI: 0000000000000005
RBP: 00007fdcdbe32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdcdc016038 R14: 00007fdcdc015fa0 R15: 00007fff7b44f888
 </TASK>
sched: DL replenish lagged too much
